Critical Currents of (Bi1−x Pb x )2Sr2Ca2Cu3O y (x = 0.2 and 0.4) Films Deposited on Silver Substrate by Sedimentation

Critical Currents of (Bi1−x Pb x )2Sr2Ca2Cu3O y (x = 0.2 and 0.4) Films Deposited on Silver... The (Bi1−x Pb x )2Sr 2Ca 2Cu 3 O y (x = 0.2, 0.4) films were obtained directly on silver substrates by the sedimentation process. The temperature dependencies of the AC susceptibility of the films and bulk materials were measured and analyzed. The critical temperatures of the grains T cg as well as the Josephson junctions T cJ of these films were obtained from the dispersion part of AC susceptibility and they are T cg = 106.5 K, T cJ = 100.2, T cg = 106.1 K, and T cJ = 97 K, respectively. The thickness of these films is of the order of a hundred micrometers. The critical currents were derived from the absorption part of AC susceptibility using the Bean’s critical state model. The temperature dependencies of the critical currents were analyzed using the Ginzburg–Landau strong coupling limit approach. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Superconductivity and Novel Magnetism Springer Journals

Critical Currents of (Bi1−x Pb x )2Sr2Ca2Cu3O y (x = 0.2 and 0.4) Films Deposited on Silver Substrate by Sedimentation

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Publisher
Springer US
Copyright
Copyright © 2017 by The Author(s)
Subject
Physics; Strongly Correlated Systems, Superconductivity; Magnetism, Magnetic Materials; Condensed Matter Physics; Characterization and Evaluation of Materials
ISSN
1557-1939
eISSN
1557-1947
D.O.I.
10.1007/s10948-017-4047-z
Publisher site
See Article on Publisher Site

Abstract

The (Bi1−x Pb x )2Sr 2Ca 2Cu 3 O y (x = 0.2, 0.4) films were obtained directly on silver substrates by the sedimentation process. The temperature dependencies of the AC susceptibility of the films and bulk materials were measured and analyzed. The critical temperatures of the grains T cg as well as the Josephson junctions T cJ of these films were obtained from the dispersion part of AC susceptibility and they are T cg = 106.5 K, T cJ = 100.2, T cg = 106.1 K, and T cJ = 97 K, respectively. The thickness of these films is of the order of a hundred micrometers. The critical currents were derived from the absorption part of AC susceptibility using the Bean’s critical state model. The temperature dependencies of the critical currents were analyzed using the Ginzburg–Landau strong coupling limit approach.

Journal

Journal of Superconductivity and Novel MagnetismSpringer Journals

Published: Mar 16, 2017

References

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